Watts LF909-QT-S-FDA-FS 3 - Part of the LF909 Large Series HDPE This 6 inch double check

This 6 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements

built-in leg

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1/2 IN Outlet Connection Type Press Outlet Thread Type Does Not Apply To Product Part Number 0858569 Series B1156F Standard Reduced Pressure Setting-BAR 1

This float is made of high grade copper with firmly bonded overlapping joints and has a 5/16-18 female thread connection

Watts LF909-QT-S-FDA-FS 3 - Part of the LF909 Large Series HDPE This 6 inch double checkThis 3 inch lead free reduced pressure zone backflow preventer assembly prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection in continuous pressure piping applications and at cross connections identified as health hazards. This assembly consists of an epoxy coated cast iron body, FDA approved coated quarter turn ball valve shutoffs with lever